so if you know your tank is ready to keep sps once coraline starts growing, how do you get the coraline to grow? do i have to dose calcium? also i need to add a seed rock with it on it for it to cover the roks right?

so if you know your tank is ready to keep sps once coraline starts growing, how do you get the coraline to grow? do i have to dose calcium? also i need to add a seed rock with it on it for it to cover the roks right?

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Dosing calcium will definitely increase it/speed up the growth. There is very likely already Coraline on your rocks laying dormant. So you shouldn't have to seed it. It just takes time. As to the sps question. There are a lot of factors that go into whether or not SPS will grow in your tank. While having coraline is a good sign, it's not the answer. Just an indicator of good conditions. You still need to test and have the flow / lighting to maintain sps. Coraline grows much easier than SPS.

also the rocks i have are not even live nor were they ever so i think ill have to seed them.

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Ahh, then yes, you may be right. I've only worked with 100% live rock. I'm sure you can find someone with a nice piece of rock covered in it. I know I would be more than willing to share a piece of mine if someone needed it.

As for flow.. I'm a big time Vortech fan. They make amazing pumps.

edit: You probably want to get a couple pieces of live rock to help seed the other anyhow.

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